CN111074901B

CN111074901B - Safety anti-falling device for constructional engineering

Info

Publication number: CN111074901B
Application number: CN202010109446.3A
Authority: CN
Inventors: 陈猛; 宋飞; 张立伟; 田军
Original assignee: Construction Decoration Corp of China Construction Seventh Engineering Division Corp Ltd
Current assignee: Construction Decoration Corp of China Construction Seventh Engineering Division Corp Ltd
Priority date: 2020-02-22
Filing date: 2020-02-22
Publication date: 2022-01-04
Anticipated expiration: 2040-02-22
Also published as: CN111074901A

Abstract

The invention discloses a safe anti-falling device for constructional engineering, relates to the technical field of foundation pit barriers, and solves the problems that the existing anti-falling device for the foundation pit cannot be flexibly contracted and deformed, has larger integral volume and is inconvenient to transport and store. A safe anti-falling device for constructional engineering comprises a central supporting tube, a positioning ring and a positioning ring, wherein three external threads are arranged on the circumferential outer wall of the central supporting tube at intervals of up, middle and down, a circle of thirty clamping plates are supported and welded on the bottom section of the central supporting tube in an annular array manner, and a base ring is welded and fixed on the periphery of the circle of clamping plates; the center of the positioning ring is fixedly welded with a sliding ring, and the positioning ring is arranged on the central supporting pipe in a sliding mode through the sliding ring sleeve. The positioning ring can be conveniently lifted to open and close the rain shielding umbrella through the inserting frame, and the positioning ring can be inserted and nailed through the inserting frame and the upper and lower groups of inserting holes, so that the rain shielding umbrella is kept in an open or a contracted and closed state.

Description

Safety anti-falling device for constructional engineering

Technical Field

The invention relates to the technical field of foundation pit fencing and building protection, in particular to a safe anti-falling device for building engineering.

Background

Building engineering foundation ditch safety is enclosed and is kept off as the safety measure instrument of building engineering job site, is the indispensable apparatus of whole building activity, and it has mainly undertaken and has kept apart construction foundation ditch scene and external world, ensures external safety, avoids non-staff to get into the scene to the effect of safety protection has been played.

For example, patent No. CN201620909454.5 discloses a safety enclosure for foundation pit in construction engineering, which comprises a first bracket, a cross brace, a second bracket, a third bracket, a composite board, a connecting groove, a connecting rod, a left buckle, a right buckle, a show window, a window beam, a left rain shield and a right rain shield, wherein the right side of the first bracket is fixedly connected with the cross brace, the middle side of the cross brace is fixedly connected with the second bracket, the left side of the third bracket is fixedly connected with the cross brace, the upper side of the third bracket is fixedly connected with the composite board, the rear side of the connecting groove is fixedly connected with the composite board, and the connecting rod is arranged on the upper side of the connecting groove, the rear side of the left buckle is fixedly connected with the composite board, the right side of the composite board is provided with a right buckle, the lower side of the show window is fixedly connected with the composite board, and a cabinet window beam is arranged on the upper side of the cabinet window, the lower side of the left rain baffle is fixedly connected with the cabinet window beam, and a right rain baffle is arranged on the right side of the left rain baffle. The device can regulate and control according to the operation demand when using, and the operation is more swift, and overall structure is more firm, moves more steadily.

The existing anti-falling device for the foundation pit can not be flexibly contracted and deformed, has large integral volume, is inconvenient to transport and store, and is poor in shielding and rainproof effect of the foundation pit due to the fact that the anti-falling device is mostly a grid frame, so that the problem that the foundation pit is serious in water inflow and water accumulation in rainy days is caused.

Disclosure of Invention

The invention aims to provide a safe anti-falling device for construction engineering, which aims to solve the problems that flexible contraction and deformation cannot be carried out, the whole volume of the device is large, the device is inconvenient to transport and store, and in addition, the anti-falling device is mostly a grid frame and has poor shielding and rainproof effects on a foundation pit, so that the foundation pit is seriously watered and accumulated water in rainy days.

In order to achieve the purpose, the invention provides the following technical scheme: a safe anti-falling device for constructional engineering comprises a central supporting tube, an installation shaft sleeve, a positioning ring and a top pressing ring, wherein the central supporting tube comprises a base ring and a supporting arm railing, three external threads are arranged on the circumferential outer wall of the central supporting tube at intervals of up, middle and down, a circle of thirty clamping plates are supported and welded on the bottom section of the central supporting tube in an annular array manner, and the base ring is welded and fixed on the periphery of the circle of clamping plates; the base ring is rotatably sleeved with a circle of thirty supporting pole rails, and the circle of supporting pole rails are respectively arranged in the interval gaps between the circle of clamping plates; the mounting shaft sleeve is integrally sleeved on the central supporting pipe in a sliding manner, internal threads are formed on the inner wall of the top end section of the mounting shaft sleeve, and the mounting shaft sleeve is screwed and fixed on the top thread section of the central supporting pipe through the internal threads; the positioning ring is sleeved on the mounting shaft sleeve in a sliding manner; the center of the top pressing ring is fixedly welded with a sliding ring, the top pressing ring is arranged on the central supporting tube in a sliding mode through the sliding ring sleeve, and the top end of the central supporting tube is locked with a hexagonal light reflecting column in a threaded mode.

Preferably, the round prop a pole railing and be the setting of square shoulder pole, it can rotate around the base ring and expand and form a radial disc grid fence of department, and when the round propped a pole railing level and expand, the equal altitude parallel and level such as round splint of its head end section and base ring inside are located same horizontal plane.

Preferably, the mounting shaft sleeve comprises expansion umbrella rods, the top end of the mounting shaft sleeve is provided with a screwing gripper, the bottom of the mounting shaft sleeve is provided with a cylindrical base, and eight expansion umbrella rods are rotatably mounted on the cylindrical base in an annular array; and rain shielding cloth is covered and connected between the eight expanding umbrella rods.

Preferably, the positioning ring comprises connecting rods, a mounting plate and an inserting frame, eight connecting rods are rotatably connected to the periphery of the positioning ring in an annular array, and the tail ends of the eight connecting rods are correspondingly rotatably connected with the middle sections of the eight expanding umbrella rods; the outer eaves position of top of holding ring supports the welding and has a mounting panel, and it has a department to insert the frame to run through the cartridge through the spring top on this mounting panel.

Preferably, the inserting frame is formed by welding an upper horizontal inserting rod and a lower horizontal inserting rod in a supporting manner, an upper group of inserting holes and a lower group of inserting holes are arranged on the upper half section of the mounting shaft sleeve at intervals, and the two inserting rods of the inserting frame can be selectively inserted into the two groups of inserting holes in an ejecting manner.

Preferably, the top is pressed the ring and is included the knob, the top is pressed the indent of ring and is seted up a department annular, and the top of pressing the central sliding ring of ring and rotate and install a plum blossom form screw thread knob, and the top is pressed the ring whole just to select locking through the knob to be located the middle of the central stay tube and on the screw thread section of bottom.

Preferably, when one circle of the supporting pole rails rotates to shrink and stand up, the top pressing ring can slide downwards to enable the bottom ring groove to be correspondingly sleeved and inserted on the top end section of the circle of the supporting pole rails, and when the circle of the supporting pole rails rotates to expand, the top pressing ring can be locked and pressed on the head end section of the circle of the supporting pole rails.

Preferably, when the umbrella expanding rod is opened in an umbrella-shaped expanding mode and slides down to cover the top ends of the circle of radially-expanded supporting arm railing and the foundation pit, the installation shaft sleeve can fix the umbrella shielding frame on the middle thread section of the central supporting pipe in a threaded mode.

Compared with the prior art, the invention has the beneficial effects that:

1. the radial disc grid fence (as shown in figure 3) formed by the rotation and expansion of the circle of the supporting pole can cover a foundation pit to prevent personnel from falling, and the supporting pole can rotate, stand and contract into a small-diameter cylindrical structure (as shown in figure 1) when the supporting pole is idle, so that the volume of the device can be greatly reduced, the occupied supporting space is reduced, and the device is convenient to carry, move and store;

2. the eight connecting rods and the eight expanding umbrella rods jointly form a typical rain shielding umbrella, and the rain shielding umbrella can slide along the central supporting tube through the mounting shaft sleeve to cover the top end of the foundation pit in a grounding manner after being opened, so that the foundation pit can be well shielded and protected against rain, and water inflow and water accumulation of the foundation pit in rainy days are reduced;

3. the top pressing ring can be used for jacking and positioning the circle of supporting pole railing in a horizontal expansion state and positioning the circle of supporting pole railing top sleeve in a vertical contraction state, has a dual-purpose use effect, is flexible and convenient to use, and has better practicability;

4. the installation axle sleeve can be fixed a position in the locking of hiding rain on hiding ground, avoids hiding the umbrella and is blown off by the strong wind, and the installation axle sleeve can also be fixed in umbrella stand locking on the first section of central stay tube, avoids eight to expand to prop the umbrella pole and slide along central stay tube and collect in the transportation, causes the collision rupture.

Drawings

FIG. 1 is a schematic view of the invention in a contracted state;

FIG. 2 is a three-dimensional schematic view of the invention in a contracted state;

FIG. 3 is a schematic view of the present invention in an expanded state;

FIG. 4 is a schematic view showing the state that the umbrella frame slides down to cover the umbrella;

FIG. 5 is a schematic view of the horizontal deployment of the supporting pole of the present invention;

FIG. 6 is a schematic view of the umbrella frame of the present invention being expanded and opened;

FIG. 7 is a schematic view of a core support tube structure according to the present invention;

FIG. 8 is a schematic view of the mounting collar of the present invention;

FIG. 9 is a schematic view of a half-section internal structure of the mounting bushing of the present invention;

fig. 10 is a schematic diagram of a top-down ring structure in accordance with the present invention.

In the figure: 1. a central support tube; 101. a base ring; 102. a supporting arm railing; 2. installing a shaft sleeve; 201. expanding the umbrella rod; 3. a positioning ring; 301. a connecting rod; 302. mounting a plate; 303. inserting a frame; 4. pushing the ring; 401. a knob; 5. a reflective column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 10, an embodiment of the present invention includes: a safe anti-falling device for constructional engineering comprises a central supporting tube 1, an installation shaft sleeve 2, a positioning ring 3 and a top pressing ring 4, wherein the central supporting tube 1 comprises a base ring 101 and a supporting arm railing 102, three external threads are arranged on the circumferential outer wall of the central supporting tube 1 at intervals of up, middle and down, a circle of thirty clamping plates are welded on the bottom section of the central supporting tube 1 in an annular array manner, and the base ring 101 is welded and fixed on the periphery of the circle of clamping plates; a circle of thirty supporting pole rails 102 are sleeved on the base ring 101 in a rotating manner, and the circle of supporting pole rails 102 are respectively arranged in the interval gaps between the circle of clamping plates; the mounting shaft sleeve 2 is integrally sleeved on the central support pipe 1 in a sliding manner, internal threads are formed on the inner wall of the top end section of the mounting shaft sleeve, and the mounting shaft sleeve 2 is screwed and fixed on the top thread section of the central support pipe 1 through the internal threads; the positioning ring 3 is sleeved on the mounting shaft sleeve 2 in a sliding manner; a sliding ring is welded and fixed at the center of the top pressing ring 4, the top pressing ring 4 is arranged on the central supporting tube 1 in a sliding mode through the sliding ring sleeve, and a hexagonal reflecting column 5 is locked at the top end of the central supporting tube 1 through threads; the top is pressed ring 4 and is included knob 401, the top is pressed ring 4's indent and has been seted up an annular, and the top is pressed ring 4 central sliding ring's top and is rotated and install a plum blossom form screw thread knob 401, and the top is pressed ring 4 wholly just to select the locking to be located the central stay tube 1 in the middle of and on the screw thread section of bottom through knob 401.

Further, the circle prop a pole 102 and be the setting of square shoulder pole, it can rotate around base ring 101 and expand and form a radial disc grid fence, and when the circle propped a pole 102 level and expand, the equal level such as the round splint of its head end section and base ring 101 inside is located same horizontal plane, the radial disc grid fence that forms is rotated and expanded by the circle props a pole 102 and can hide the foundation ditch and block and avoid personnel to fall, and prop a pole 102 rotatable the standing and contracting into minor diameter tubular structure (as shown in fig. 1) when idle, this can reduce the volume of device greatly, reduced the occupation to the supporting space be convenient for transport and remove and deposit.

Further, the mounting shaft sleeve 2 comprises expanding umbrella rods 201, the top end of the mounting shaft sleeve 2 is provided with a screwing gripper, the bottom of the mounting shaft sleeve is provided with a cylindrical base, and the eight expanding umbrella rods 201 are rotatably mounted on the cylindrical base in an annular array; eight expand to prop and cover between the umbrella pole 201 and be connected with the cloth of hiding rain, install on shaft sleeve 2 can be fixed in the first section of central stay tube 1 with umbrella stand locking, avoid eight expand to prop umbrella pole 201 and slide along central stay tube 1 and collect and move in the transportation, cause the collision rupture.

Further, the positioning ring 3 comprises connecting rods 301, a mounting plate 302 and an inserting frame 303, eight connecting rods 301 are rotatably connected to the circumference periphery of the positioning ring 3 in an annular array, and the tail ends of the eight connecting rods 301 are correspondingly rotatably connected with the middle sections of the eight expanding umbrella rods 201; the outer eaves position in top of holding ring 3 supports the welding and has a mounting panel 302, it has a department to insert frame 303 to run through the cartridge through the spring top on this mounting panel 302, eight connecting rods 301 and eight expand and prop umbrella pole 201 and constitute a typical umbrella that hides jointly, this hides that accessible mounting sleeve 2 slides down along central stay tube 1 after the umbrella is opened and contacts with the ground and shroud the top in the foundation ditch, this can carry out better rain-proof protection of sheltering from to the foundation ditch, reduce the foundation ditch intake and ponding in the rainy day.

Further, the inserting frame 303 is formed by welding and supporting upper and lower horizontal inserting rods, an upper group of inserting holes and a lower group of inserting holes are formed in the upper half section of the mounting shaft sleeve 2 at intervals, the two inserting rods of the inserting frame 303 can be selectively inserted into the two groups of inserting holes, the positioning ring 3 can be conveniently lifted and pulled through the inserting frame 303 to open and close the umbrella cover, and the positioning ring 3 can be inserted and nailed through selective insertion of the upper group of inserting holes and the lower group of inserting holes of the inserting frame 303, so that the umbrella cover is kept in an open or shrink closed state.

Further, when the circle of the supporting pole rails 102 rotates to contract and stand up, the top pressing ring 4 can slide downward to enable the bottom ring groove to be correspondingly sleeved and inserted on the top end section of the circle of the supporting pole rails 102, and when the circle of the supporting pole rails 102 rotates to expand, the top pressing ring 4 can be locked and pressed on the head end section of the circle of the supporting pole rails 102, when the top pressing ring 4 slides downward and is locked and abutted against the state (fig. 3), the top pressing ring can perform top pressing positioning on the circle of the supporting pole rails 102 to avoid the turning-back rotation of the supporting pole rails 102, the supporting stability of the circle of the supporting pole rails 102 in radiation expansion is influenced, and when the top pressing ring 4 is locked and abutted against the state (fig. 3), the top pressing positioning can be performed on the standing supporting pole rails 102.

Further, when eight expand and prop umbrella pole 201 and be umbrella-type expand and open and when the landing shroud in the top of the radial branch of propping a pole railing 102 and the foundation ditch that expand of round, installation axle sleeve 2 can be fixed in the middle screw thread section of central stay tube 1 with hiding the umbrella frame screw thread on, installation axle sleeve 2 can be fixed a position in the locking of hiding the rain and close in on the ground, avoids hiding the umbrella and is blown away by the strong wind.

The working principle is as follows: before use, the top pressing ring 4 is firstly loosened to slide upwards to rotate and open the circle of supporting pole 102 to be in a radial disc shape and lay the supporting pole on the ground, then the top pressing ring 4 is locked and pressed on the top end of the first end section of the circle of supporting pole 102 (as shown in fig. 3), the circle of radial supporting pole 102 is pressed and positioned, if in rainy days, the inserting frame 303 is firstly drawn out, the positioning ring 3 is lifted to open the rain shade, and the opening process of the device is finished.

When in use: the radial pole railing 102 of propping of a round is placed and is propped the top of foundation ditch, then will hide the umbrella gliding and lean on in the peripheral subaerial of foundation ditch, and the use installation flow from this device finishes.

The contraction operation flow of the device is as follows: firstly, the inserting frame 303 is drawn out, the rain shielding umbrella slides up along the central supporting pipe 1 and is contracted and closed, then the rain shielding umbrella is locked and positioned on the thread section at the top of the central supporting pipe 1 through the mounting shaft sleeve 2, then the top pressing ring 4 is loosened, the central supporting pipe 1 is turned upside down, a circle of supporting pole rails 102 is hung downwards, at the moment, the top pressing ring 4 slides up, and the ring groove at the bottom of the top pressing ring is locked and sleeved on the top end section of the circle of supporting pole rails 102, and the folding process of the device is finished (as shown in figure 1).

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a safe anti-falling device for building engineering which characterized in that: the supporting device comprises a central supporting tube (1), a mounting shaft sleeve (2), a positioning ring (3) and a top pressing ring (4), wherein the central supporting tube (1) comprises a base ring (101) and a supporting arm railing (102), three external threads are arranged on the outer wall of the circumference of the central supporting tube (1) at intervals of up, middle and down, a circle of thirty clamping plates are supported and welded on the bottom section of the central supporting tube (1) in an annular array mode, and the base ring (101) is welded and fixed on the periphery of the circle of clamping plates; the base ring (101) is rotatably sleeved with a circle of thirty supporting pole rails (102), and the circle of supporting pole rails (102) are respectively arranged in the interval gaps between the circle of clamping plates; the mounting shaft sleeve (2) is integrally sleeved on the central support pipe (1) in a sliding manner, internal threads are formed on the inner wall of the top end section of the mounting shaft sleeve, and the mounting shaft sleeve (2) is screwed and fixed on the top thread section of the central support pipe (1) through the internal threads; the positioning ring (3) is sleeved on the mounting shaft sleeve (2) in a sliding manner; a sliding ring is welded and fixed at the center of the top pressing ring (4), the top pressing ring (4) is arranged on the central supporting tube (1) in a sliding mode through the sliding ring sleeve, and a hexagonal light reflecting column (5) is locked at the top end of the central supporting tube (1) through threads; the mounting shaft sleeve (2) comprises expanding umbrella rods (201), the top end of the mounting shaft sleeve (2) is provided with a screwing gripper, the bottom of the mounting shaft sleeve is provided with a cylindrical base, and eight expanding umbrella rods (201) are rotatably mounted on the cylindrical base in an annular array; rain shielding cloth is covered and connected among the eight expanding umbrella rods (201); the positioning ring (3) comprises connecting rods (301), a mounting plate (302) and an inserting frame (303), eight connecting rods (301) are rotatably connected to the periphery of the positioning ring (3) in an annular array, and the tail ends of the eight connecting rods (301) are correspondingly rotatably connected with the middle sections of the eight expanding umbrella rods (201); an installation plate (302) is supported and welded at the outer brim position at the top end of the positioning ring (3), and an insertion frame (303) is inserted on the installation plate (302) in a penetrating manner through a spring pushing; the insertion frame (303) is formed by welding an upper horizontal insertion rod and a lower horizontal insertion rod in a supporting manner, an upper group of insertion holes and a lower group of insertion holes are arranged on the upper half section of the mounting shaft sleeve (2) at intervals, and the two insertion rods of the insertion frame (303) can be selectively inserted into the two groups of insertion holes; when the eight expanding umbrella rods (201) are expanded in an umbrella shape and are opened and slide down to cover the top ends of a circle of radially expanded supporting pole rails (102) and a foundation pit, the installation shaft sleeve (2) can fix the umbrella shielding frame consisting of the eight connecting rods (301) and the eight expanding umbrella rods (201) on the middle thread section of the central supporting pipe (1) in a threaded manner; the top pressing ring (4) comprises a knob (401), a circular groove is formed in the inner recess of the top pressing ring (4), a plum blossom-shaped threaded knob (401) is rotatably mounted at the top end of a central sliding ring of the top pressing ring (4), and the top pressing ring (4) is integrally locked and positioned on the middle and bottom threaded sections of the central supporting tube (1) through the knob (401); when one circle of the supporting pole rails (102) rotate to shrink and stand up, the top pressing ring (4) can slide downwards to enable the bottom ring groove to be correspondingly sleeved and inserted on the top end section of the circle of the supporting pole rails (102), and when the circle of the supporting pole rails (102) rotate to expand, the top pressing ring (4) can be locked and pressed on the head end section of the circle of the supporting pole rails (102).

2. The safety anti-falling device for the building engineering according to claim 1, characterized in that: the round prop a pole railing (102) and be the setting of square shoulder pole, it can rotate around base ring (101) and expand and form a radial disc grid fence of department, and when the round propped a pole railing (102) level expanded, the equal level and lie in same horizontal plane such as the round splint of its head end section and base ring (101) inside.